SIM808 Module GSM GPRS GPS Development Board with GPS Antenna for Support 2G 3G 4G SIM Card

The SIM808 Module is a compact quad-band GSM/GPRS/GPS development board designed for IoT, telematics, and location-based applications requiring simultaneous cellular connectivity and real-time GPS positioning. Professional engineers and embedded systems developers utilize this module to build GPS trackers, fleet management systems, and remote monitoring solutions that demand reliable 2G/3G/4G SIM card compatibility. This integrated solution eliminates the complexity of managing separate communication and positioning modules, solving the critical challenge of combining cellular data transmission with accurate geolocation in space-constrained embedded projects.

Product Overview

The SIM808 Module operates on a sophisticated quad-band architecture supporting GSM 850/900/1800/1900 MHz frequencies, enabling global cellular coverage across 2G, 3G, and 4G networks with standard SIM card authentication. The module integrates a high-sensitivity GPS receiver with AGPS (Assisted GPS) capability, achieving position accuracy within 5-10 meters in open-sky conditions and reducing time-to-first-fix through network-assisted positioning. The development board features a pre-soldered SIM808 chipset with integrated power management, antenna connectors, and serial communication interfaces, eliminating complex surface-mount soldering requirements and accelerating prototyping cycles for commercial-grade applications.

This module excels in multi-protocol communication scenarios where simultaneous SMS/GPRS data transmission and GPS tracking are essential. The integrated power supply management handles 5V input with onboard voltage regulation, while the serial UART interface operates at configurable baud rates up to 115200 for high-speed data exchange with microcontroller platforms. The included GPS antenna provides enhanced signal reception in urban canyon environments, while the cellular antenna connector allows external antenna installation for improved GSM/GPRS signal strength in challenging RF conditions. The module's firmware supports AT command sets for comprehensive control of cellular, data, and positioning functions, making it compatible with Arduino, Raspberry Pi, STM32, and other popular embedded development platforms.

Key Specifications

Specification	Details
Product Type	Quad-Band GSM GPRS GPS Development Module
Brand	SIM808
Origin	Original/Authentic
Warranty	7 days on manufacturing defects
Shipping	1-5 days from Bengaluru
Delivery	7-8 days across India
Support	24/7 via Email and WhatsApp
GSM Bands	850/900/1800/1900 MHz quad-band
Data Protocol	GPRS Class 10 (multi-slot class 10)
GPS Accuracy	5-10 meters in open sky, AGPS supported
Communication Interface	Serial UART at 115200 baud maximum
Power Supply	5V DC with integrated voltage regulation
SIM Card Support	Standard 2G/3G/4G SIM cards compatible

Key Features

• Quad-band GSM/GPRS connectivity supporting 850/900/1800/1900 MHz frequencies for global network compatibility across 2G, 3G, and 4G infrastructure
• Integrated high-sensitivity GPS receiver with AGPS assistance achieving 5-10 meter positional accuracy and rapid time-to-first-fix in assisted mode
• Pre-soldered development board eliminating complex surface-mount assembly while providing direct antenna connectors for cellular and GPS signal optimization
• AT command interface enabling comprehensive control of SMS, GPRS data, voice calls, and GPS functions through standard serial communication protocols
• Onboard power management with 5V input regulation and integrated charging circuit for optional backup battery support in autonomous applications
• Dual antenna connectors allowing external cellular and GPS antenna installation for enhanced signal reception in urban and indoor environments

Applications and Use Cases

• GPS Vehicle Tracking Systems: Real-time fleet management and logistics monitoring using simultaneous GPRS data transmission and GPS positioning for route optimization and theft prevention
• IoT Remote Monitoring Devices: Environmental sensor nodes transmitting telemetry data over cellular networks while logging geographic coordinates for spatial data analysis
• Personal Location Trackers: Wearable and portable tracking devices combining SMS alerts with GPS coordinates for emergency response and elderly care applications
• Industrial Asset Management: Fixed and mobile asset tracking in warehouses and construction sites using GPRS connectivity and periodic GPS updates for inventory and equipment location verification
• Smart Agriculture Solutions: Remote farm monitoring systems transmitting soil sensor data and equipment location coordinates through cellular networks for precision farming operations

How to Use

Begin by connecting the SIM808 module to your microcontroller platform via serial UART pins (RX/TX), ensuring proper voltage levels matching your controller specifications. Insert a compatible 2G/3G/4G SIM card into the module's SIM slot and connect the provided GPS antenna to the GPS connector and optionally an external cellular antenna to the GSM connector for optimal signal reception. Power the module with 5V DC supply and monitor the status LED indicators which typically show network registration status and GPS fix acquisition within 30-60 seconds in open-sky conditions.

Communicate with the module using AT commands through your serial terminal or microcontroller firmware. Essential initialization commands include AT+CPIN to verify SIM card status, AT+CREG to check network registration, and AT+CGPSPWR to enable GPS functionality. For location tracking, use AT+CGPSINFO to retrieve current GPS coordinates in NMEA format, and AT+CIPSTART with AT+CIPSEND for establishing GPRS data connections to remote servers. Configure baud rate, network APN settings, and GPS update intervals according to your application requirements, then implement error handling for signal loss scenarios and automatic reconnection logic to ensure reliable operation in field deployments.

Frequently Asked Questions

What is the difference between SIM808 and SIM900 modules?

The SIM808 integrates GPS functionality directly into the module, combining GSM/GPRS with positioning in a single unit, whereas the SIM900 provides only GSM/GPRS communication without GPS. SIM808 is ideal for location-based applications, while SIM900 suits applications requiring only cellular connectivity. SIM808 also offers AGPS assistance for faster position acquisition compared to standalone GPS modules paired with SIM900.

Can the SIM808 module work with 4G/LTE networks?

The SIM808 operates on 2G/3G GSM networks natively. However, modern 4G networks maintain backward compatibility with 2G/3G protocols, allowing the module to function on 4G infrastructure with fallback to 3G/2G when necessary. For dedicated 4G/LTE applications, consider upgrading to SIM7600 or SIM7070 modules which provide native LTE support with enhanced data speeds.

What is the typical GPS acquisition time and accuracy?

Cold start GPS acquisition typically requires 30-60 seconds in open-sky conditions without AGPS assistance. With AGPS enabled using network assistance, time-to-first-fix reduces to 5-15 seconds. Positional accuracy ranges from 5-10 meters under optimal conditions with clear sky visibility. Urban canyon environments with building obstruction may degrade accuracy to 15-25 meters. Continuous operation improves tracking smoothness through Kalman filtering in your application firmware.

How do I handle power management for battery-operated applications?

Implement sleep modes using AT+CSCLK command to reduce power consumption from typical 50-100mA active draw to 2-5mA in sleep state. Schedule periodic GPS updates and GPRS transmissions rather than continuous operation to extend battery life. Use external backup batteries with the module's charging circuit, and implement watchdog timers to recover from communication failures automatically. For ultra-low power applications, consider duty-cycling the entire module with external relay control.

When will I receive my order?

Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.

What is your return and warranty policy?

We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.

Are bulk discounts available?

Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.

Why Buy from The Engineer Store

• Genuine Products: Sourced directly from authorized distributors with authentication
• Expert Team: Our technical team validates every product before listing
• Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
• Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
• Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
• Technical Support: 24/7 expert guidance via email and WhatsApp
• Returns: 7-day return policy on manufacturing defects only

Buy SIM808 Module GSM GPRS GPS Development Board with GPS Antenna for Support 2G 3G 4G SIM Card Online in India

Purchase the SIM808 Module GSM GPRS GPS Development Board with GPS Antenna for Support 2G 3G 4G SIM Card online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on SIM808 Module GSM GPRS GPS Development Board with GPS Antenna for Support 2G 3G 4G SIM Card with fast shipping and expert support.

Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.